Vega VEGABAR 81 Quick Setup Manual - page 4
4
1 For your safety
VEGABAR 81 • Slave sensor for electronic differential pressure
48050-EN-160212
1.6 SIL qualification according to IEC 61508
The Safety Integrity Level (SIL) of an electronic system is used to as-
sess the reliability of integrated safety functions.
For detailed specification of the safety requirements, multiple SIL
levels are specified according to safety standard IEC 61508. You can
find detailed information in chapter "
Functional safety (SIL)
"
The instrument meets the specifications of IEC 61508: 2010 (Edi
-
tion 2). It is qualified for single-channel operation up to SIL2. The
instrument can be used homogeneously redundant up to SIL3 in
multi-channel architecture with HFT 1.
1.7 Permissible process pressure
The permissible process pressure is specified on the type label with
"Process pressure", see chapter "
Configuration
". For safety reasons,
this range may not be exceeded. This applies even if a measuring cell
with a measuring range (order-related) higher than the permissible
pressure range of the process fitting is installed.